MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Thu 22 January 2026
Publication Burch (1975): summary
Full Citation
Burch, J.B. 1975. Freshwater Unionacean Clams (Mollusca: Pelecypoda) of North America. 204 pp.
Attributed Nominal Species
Unio averillii “Wright” of Authors = Villosa vibex
“Wright” of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 560.
Simpson, 1914. Descr. Cat. Naiades: 138.
Frierson, 1927. Check List N. Amer. Naiades: 76.
R.I. Johnson, 1970. Bull. MCZ 140(6): 373.
R.I. Johnson, 1972. Bull. Fla. State Mus. 16(4): 237.
Burch, 1975. Freshw. Unio. North Amer.: 159.
(error for Unio averellii B.H. Wright, 1888)
Pleurobema chattanogaense Burch, 1975 = Pleurobema decisum
‘Lea’ Burch, 1975. Freshw. Unio. North Amer.: 12.
(error for Unio chattanoogaensis Lea, 1858)
Unio cuspitatus ‘Lea’ of Authors = Elliptio icterina
‘Lea’ of Authors.
R.I. Johnson, 1970. Bull. MCZ 140(6): 327.
R.I. Johnson, 1972. Bull. Fla. State Mus. 16(4): 206.
Burch, 1975. Freshw. Unio. North Amer.: 162.
(error for Unio cuspidatus Lea, 1872)
Unio hanleyanus ‘Lea’ of Authors = Pleurobema hanleyianum
‘Lea’ of Authors.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 250.
Sowerby, 1866. Conch. Icon. 16: pl. 46, sp. 249.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [3].
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 759.
Simpson, 1914. Descr. Cat. Naiades: 780.
Frierson, 1927. Check List N. Amer. Naiades: 42, sp. 175.
Haas, 1969. Das Tierreich 88: 256.
Burch, 1975. Freshw. Unio. North Amer.: 13.
Turgeon et al., 1988. Am. Fisher. Soc. Spec. Publ. (16): 32.
Williams et al., 1993. Fisheries 18(9): 13.
Parmalee & Bogan, 1998. The Freshwater Mussels of Tennessee: 184.
Lydeard et al., 1999. Gulf Mex. Sci. 17(2): 129.
(error for Unio hanleyianus Lea, 1852)
Unio hazelhurstianus ‘Lea’ of Authors = Elliptio lanceolata
‘Lea’ of Authors.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [3].
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 719 [as ‘Unio (sec. Elliptio) hazelhurstianus’].
Simpson, 1914. Descr. Cat. Naiades: 648.
Frierson, 1927. Check List N. Amer. Naiades: 29 [as ‘Elliptio (Elliptio) hazelhurstianus’].
Haas, 1969. Das Tierreich 88: 229 [as ‘Elliptio (Elliptio) hazelhurstianus’].
R.I. Johnson, 1970. Bull. MCZ 140(6): 333.
Burch, 1975. Freshw. Unio. North Amer.: 164.
(error for Unio hazlehurstianus Lea, 1858)
Unio hippopaeus ‘Lea’ of Authors = Amblema plicata
‘Lea’ of Authors.
Lea, 1852. Synopsis Fam. Naiades: 21 [as ‘hippopæus’].
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 261 [as ‘hippopæus’].
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 497 [as ‘hippopæus’].
Reeve, 1864. Conch. Icon. 16: pl. 11, sp. 40 [as ‘hippopæus’].
Lea, 1870. Synopsis Fam. Naiades: 31 [as ‘hippopæus’].
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [3], [as ‘hippopæus’].
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 767 [as ‘hippopæa’].
Ortmann, 1909. Nautilus 22(10): 101 [as ‘Q. hippopæa’].
Ortmann, 1909. Ann. Carnegie Mus. 5: 203 [as ‘Quadrula undulata hippopæa’].
Simpson, 1914. Descr. Cat. Naiades: 816 [as ‘hippopæa’].
Frierson, 1927. Check List N. Amer. Naiades: 61.
Haas, 1969. Das Tierreich 88: 287.
Clarke, 1973. Malacologia 13(1-2): 35.
Burch, 1975. Freshw. Unio. North Amer.: 165.
Strayer & Jirka, 1997. Pearly Mussels NY (26): 98.
He & Zhuang, 2013. Freshwater Bivalves China: 27.
(error for Unio hippopoeus Lea, 1845)
Unio nasutilus ‘Lea’ of Authors = Elliptio producta
‘Lea’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 735.
Simpson, 1914. Descr. Cat. Naiades: 691.
R.I. Johnson, 1970. Bull. MCZ 140(6): 334.
Burch, 1975. Freshw. Unio. North Amer.: 167.
Bogan, 2002. Workbook Key Freshw. Biv. NC: Table 5.
Perkins et al., 2017. Conserv. Genet. 18: 752.
Inoue et al., 2018. Invert. Syst. 32: Table S2.
(error for Unio nasutidus Lea, 1863)
Unio sowerbyanus ‘Lea’ of Authors = Epioblasma haysiana
‘Lea’ of Authors.
Küster, 1852. Conchyl. Cab. 9(2): 62.
Agassiz, 1852. Arch. Naturg. 18(1): 43.
Reeve, 1864. Conch. Icon. 16: pl. 14, sp. 58.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 520.
Simpson, 1914. Descr. Cat. Naiades: 17.
Frierson, 1927. Check List N. Amer. Naiades: 94.
Haas, 1969. Das Tierreich 88: 483.
Burch, 1975. Freshw. Unio. North Amer.: 173.
R.I. Johnson, 1978. Bull. MCZ 148: 280.
Parmalee & Bogan, 1998. The Freshwater Mussels of Tennessee: 91.
(error for Unio sowerbianus Lea, 1834)
Taxonomic Opinions
Actinonaias carinata carinata (Barnes, 1823) = Ortmanniana ligamentina
+ Unio crassus Say, 1817
+ Unio ellipticus Barnes, 1823
Actinonaias carinata gibba (Simpson, 1900) = Ortmanniana ligamentina
Actinonaias ellipsiformis (Conrad, 1836) = Venustaconcha ellipsiformis
Actinonaias pectorosa (Conrad, 1834) = Ortmanniana pectorosa
+ Unio perdix Lea, 1834
+ Unio biangularis Lea, 1840
Alasmidonta (Pegias) fabula (Lea, 1838) = Pegias fabula
There are 934 species taxonomic opinions attributed to this publication.
Alasmidonta (s.s.) arcula (Lea, 1838) = Alasmidonta arcula
Alasmidonta (s.s.) calceola (Lea, 1828) = Sulcularia viridis
Alasmidonta (s.s.) heterodon (Lea, 1829) = Prolasmidonta heterodon
Alasmidonta (s.s.) marginata Say, 1819 = Alasmidonta marginata + Alasmidonta atropurpurea
+ Decurambis atropurpureum Rafinesque, 1831
+ Decurambis scriptum Rafinesque, 1831
+ Alasmidonta (Decurambis) marginata susquehannae Ortmann, 1919
Alasmidonta (s.s.) mccordi Athearn, 1964 = Alasmidonta mccordi
Alasmidonta (s.s.) raveneliana (Lea, 1834) = Alasmidonta raveneliana
Alasmidonta (s.s.) triangulata (Lea, 1858) = Alasmidonta triangulata + Alasmidonta wrightiana
+ Strophitus wrightianus Walker, 1901
Alasmidonta (s.s.) undulata (Say, 1816) = Alasmidonta undulata
+ Unio hians Valenciennes, 1827
+ Uniopsis mytiloides Swainson, 1840
+ Uniopsis radiata Swainson, 1840
+ Alasmodonta sculptilis Say, 1829
+ Unio swainsoni Sowerby, 1868
+ Unio glabratus G.B. Sowerby, 1821
Alasmidonta (s.s.) varicosa (Lamarck, 1819) = Alasmidonta varicosa + Alasmidonta marginata
+ Alasmodon corrugata De Kay, 1843
+ Unio rugulosus Wood, 1828
Alasmidonta (s.s.) wrightiana (Walker, 1901) = Alasmidonta wrightiana
Amblema antrosa Rafinesque, 1820 = Reginaia ebenus
Amblema neisleri (Lea, 1858) = Amblema neislerii
Amblema plicata (Say, 1817) = Amblema plicata + Amblema elliottii
+ Amblema costata Rafinesque, 1820
+ Unio hippopoeus Lea, 1845
+ Unio perplicatus Conrad, 1841
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio elliottii Lea, 1857
Anodonta beringiana Middendorff, 1851 = Beringiana beringiana
+ Anodonta youkanensis Lea, 1867
Anodonta californiensis Lea, 1852
Anodonta cataracta Say, 1817 = Pyganodon cataracta + Pyganodon grandis + Pseudodontoideus connasaugaensis + Utterbackiana implicata + Pyganodon lacustris
+ Anodonta dariensis Lea, 1858
+ Anodonta dolearis Lea, 1863
+ Anodonta doliaris Lea, 1863
+ Anodonta gesnerii Lea, 1858
+ Anodonta hallenbeckii Lea, 1858
+ Anodonta marginata Say, 1817
+ Anodonta teres Conrad, 1834
+ Anodonta tryonii Lea, 1862
+ Anodonta virgulata Lea, 1857
+ Anodonta williamsii Lea, 1862
4 more...
Anodonta couperiana Lea, 1842 = Utterbackiana couperiana
+ Anodonta cowperiana Lea, 1840
+ Anodonta dunlapiana Lea, 1842
Anodonta dejecta Lewis, 1875 = Anodonta californiensis
+ Anodonta mearnsiana Simpson, 1893
Anodonta dignota [sic] Rafinesque, 1831 = Pyganodon cataracta
Anodonta gibbosa Say, 1824 = Pyganodon gibbosa
Anodonta grandis corpulenta Cooper, 1834 = Pyganodon grandis
Anodonta grandis grandis Say, 1829 = Pyganodon grandis
+ Anodonta dallasiana Lea, 1863
+ Anodonta footiana Lea, 1840
+ Anodonta gigantea Lea, 1838
+ Anodonta houghtonensis Currier in DeCamp, 1881
+ Anodon imbricata J.G. Anthony, 1865
+ Anodonta leonensis Lea, 1862
+ Anodonta lewisii Lea, 1857
+ Anodon mcnielii J.G. Anthony, 1866
+ Anodon opalina J.G. Anthony, 1865
+ Anodonta ovata Lea, 1838
9 more...
Anodonta grandis simpsoniana Lea, 1861 = Pyganodon grandis
+ Anodonta kennicottii Lea, 1861
Anodonta imbecilis [sic] Say, 1829 = Utterbackia imbecillis
+ Anodonta henryana Lea, 1857
+ Anodon horda Gould, 1855
+ Anodonta incerta Lea, 1834
Anodonta implicata Say, 1829 = Utterbackiana implicata
Anodonta inflata Rafinesque, 1831 = Pyganodon grandis
Anodonta kennerlyi Lea, 1860
Anodonta nuttalliana Lea, 1838
+ Anodonta laosensis Fischer, 1891
+ Anodon rostratus Sowerby, 1867
+ Anodonta rotundovata Trask, 1854
+ Anodonta triangularis Trask, 1854
+ Anodonta wahlamatensis Lea, 1838
+ Anodonta nuttalliana var. idahoensis Hemphill, 1891
Anodonta oregonensis Lea, 1838
+ Anodon cognata Gould, 1850
Anodonta peggyae Johnson, R.I., 1965 = Utterbackia peggyae
Anodonta suborbiculata Say, 1831 = Utterbackiana suborbiculata
Anodontoides ferussacianus Lea, 1834
+ Anodonta buchanensis Lea, 1838
+ Anodonta subcylindracea Lea, 1838
Anodontoides radiatus (Conrad, 1834) = Strophitus radiatus
+ Margaritana elliottii Lea, 1858
+ Margaritana elliptica Lea, 1859
+ Anodonta showalterii Lea, 1860
Arcidens confragosa (Say, 1829) = Arcidens confragosus
Arkansia wheeleri Ortmann & Walker, 1912 = Arcidens wheeleri
Carunculina parva (Barnes, 1823) = Toxolasma parvum + Villosa amygdalum + Toxolasma texasiense + Toxolasma paulum + Toxolasma corvunculus + Toxolasma cylindrellus + Toxolasma lividum
+ Unio singleyanus Marsh, 1891
+ Unio bairdianus Lea, 1857
+ Unio bealei Lea, 1862
+ Unio corvinus Lea, 1868
+ Unio corvunculus Lea, 1868
+ Unio cromwellii Lea, 1865
+ Unio cylindrellus Lea, 1868
+ Unio germanus Lea, 1861
+ Unio glans Lea, 1831
+ Unio marginis Lea, 1865
7 more...
Carunculina pulla (Conrad, 1838) = Toxolasma pullus
+ Carunculina patrickae Bates, 1966
Cumberlandia monodonta (Say, 1829)
Cyclonaias tuberculata (Rafinesque, 1820)
Cyprogenia aberti (Conrad, 1850)
Cyprogenia irrorata (Lea, 1828) = Cyprogenia stegaria
+ Obovaria stegaria Rafinesque, 1820
Cyrtonaias tampicoensis (Lea, 1838) = Mesonaias tampicoensis + Cyrtonaias berlandierii
+ Unio berlandierii Lea, 1857
Dromus dromus [sic] (Lea, 1834) = Dromus dromas
Dysnomia arcaeformis (Lea, 1831) = Epioblasma arcaeformis
Dysnomia biemarginata (Lea, 1857) = Epioblasma biemarginata
Dysnomia brevidens (Lea, 1831) = Epioblasma brevidens
+ Unio interruptus ‘Rafinesque’ of Authors
Dysnomia capsaeformis (Lea, 1834) = Epioblasma capsaeformis
Dysnomia flexuosa (Rafinesque, 1820) = Epioblasma flexuosa
+ Unio foliatus Hildreth, 1828
Dysnomia florentina (Lea, 1857) = Epioblasma florentina + Epioblasma turgidula
+ Unio sacculus Reeve, 1864
+ Unio nux Küster, 1861
+ Unio turgidulus Lea, 1858
Dysnomia haysiana (Lea, 1834) = Epioblasma haysiana
+ Unio sowerbianus Lea, 1834
Dysnomia lenior (Lea, 1840) = Epioblasma lenior
Dysnomia lewisi (Walker, 1910) = Epioblasma lewisii
Dysnomia metastriata (Conrad, 1840) = Epioblasma metastriata + Epioblasma othcaloogensis
+ Unio compactus Lea, 1859
+ Unio othcaloogensis Lea, 1857
Dysnomia modicella (Lea, 1859) = Epioblasma othcaloogensis
Dysnomia penita (Conrad, 1834) = Epioblasma penita
Dysnomia personata (Say, 1829) = Epioblasma personata
+ Unio capillaris Lea, 1834
+ Unio pileus Lea, 1831
Dysnomia stewardsoni (Lea, 1852) = Epioblasma stewardsonii
Dysnomia sulcata (Lea, 1829) = Epioblasma obliquata + Epioblasma perobliqua + Epioblasma rangiana
+ Unio pectitus Conrad, 1854
+ Unio gibbosus var. perobliquus Conrad, 1836
+ Unio ridibundus Say, 1829
+ Truncilla (Scalenaria) sulcata var. delicata Simpson, 1900
Dysnomia torulosa propinqua (Lea, 1857) = Epioblasma propinqua
Dysnomia torulosa torulosa (Rafinesque, 1820) = Epioblasma torulosa + Epioblasma cincinnatiensis + Epioblasma gubernaculum + Epioblasma rangiana + Epioblasma sampsonii + Obliquaria reflexa
+ Amblema gibbosa Rafinesque, 1820
+ Unio cincinnatiensis Lea, 1840
+ Unio gubernaculum Reeve, 1865
+ Unio obliquus Potiez & Michaud, 1844
+ Unio perplexus Lea, 1831
+ Unio rangianus Lea, 1838
+ Unio sampsonii Lea, 1861
+ Unio gibbosus ‘Rafinesque’ of Authors
+ Unio phillipsii Conrad, 1835
Dysnomia triquetra (Rafinesque, 1820) = Epioblasma triquetra
+ Unio cuneatus Swainson, 1823
+ Unio formosus Lea, 1831
+ Unio triangularis Barnes, 1823
Dysnomia turgidula (Lea, 1858) = Epioblasma turgidula + Epioblasma curtisii
+ Truncilla curtisii Frierson & Utterback in Utterback, 1916
+ Unio deviatus Reeve, 1864
Ellipsaria lineolata (Rafinesque, 1820)
+ Obliquaria (Plagiola) depressa Rafinesque, 1820
+ Obliquaria (Ellipsaria) ellipsaria Rafinesque, 1820
+ Unio securis Lea, 1829
Elliptio (Canthyria) spinosa (Lea, 1838) = Elliptio spinosa
Elliptio (s.s.) arctata (Conrad, 1834) = Elliptio arctata
+ Unio gracilentus Lea, 1857
+ Unio lazarus Lea, 1852
+ Unio perlatus Lea, 1863
+ Unio perstriatus Lea, 1852
+ Unio strigosus Lea, 1840
+ Unio tortivus Lea, 1840
Elliptio (s.s.) beadleiana (Lea, 1861) = Pleurobema beadleianum
Elliptio (s.s.) chipolaensis (Walker, 1905) = Elliptio chipolaensis
Elliptio (s.s.) complanata (Lightfoot, 1786) = Elliptio complanata + Elliptio fumata + Elliptio cistellaeformis + Elliptio roanokensis + Elliptio pullata + Elliptio icterina + Elliptio arca
+ Unio abbevillensis Lea, 1857
+ Unio aberrans Lea, 1863
+ Unio amplus Lea, 1872
+ Unio (Elliptio) aurata Rafinesque, 1820
+ Unio baldwinensis Lea, 1859
+ Unio basalis Lea, 1872
+ Unio beaverensis Lea, 1868
+ Unio carinifera Lamarck, 1819
+ Unio catawbensis Lea, 1857
+ Unio chathamensis Lea, 1863
87 more...
Elliptio (s.s.) congaraeus (Lea, 1831) = Elliptio congaraea
+ Unio planilateris Conrad, 1838
+ Unio rufusculus Lea, 1852
+ Unio sordidus Lea, 1852
+ Unio strumosus Lea, 1872
+ Unio buxeus Lea, 1852
+ Unio corvus Lea, 1859
+ Unio dorsatus Lea, 1868
+ Unio forbesianus Lea, 1852
+ Unio fulvus Lea, 1834
+ Unio lecontianus Lea, 1838
4 more...
Elliptio (s.s.) crassidens (Lamarck, 1819) = Elliptio crassidens + Elliptio occulta + Elliptio monroensis + Elliptio downiei
+ Unio cuneatus Barnes, 1823
+ Unio danielsii B.H. Wright, 1899
+ Unio discus Sowerby, 1868
+ Unio incrassatus Lea, 1840
+ Unio lehmanii S.H. Wright, 1897
+ Unio (Elliptio) nigra Rafinesque, 1820
+ Unio polymorphus B.H. Wright, 1899
+ Unio satillaensis Lea, 1858
+ Unio spissus Lea, 1859
+ Elliptio pachyodon Pilsbry in Olson & Harbison, 1953
Elliptio (s.s.) dariensis (Lea, 1842) = Elliptio dariensis + Elliptio monroensis
+ Unio hartwrightii B.H. Wright, 1896
+ Unio monroensis Lea, 1843
+ Unio websterii B.H. Wright, 1888
Elliptio (s.s.) dilatata (Rafinesque, 1820) = Eurynia dilatata
+ Obliquaria (Ellipsaria) cuprea Rafinesque, 1820
+ Unio gibbosus Barnes, 1823
+ Elliptio dilatata var. sterkii Grier, 1918
Elliptio (s.s.) fraterna (Lea, 1852) = Elliptio fraterna + Elliptio monroensis
+ Unio anthonyi Lea, 1861
Elliptio (s.s.) hopetonensis (Lea, 1838) = Elliptio hopetonensis
+ Unio inusitatis Lea, 1859
Elliptio (s.s.) icterina (Conrad, 1834) = Elliptio icterina + Elliptio pullata + Elliptio occulta + Elliptio jayensis + Elliptio arctata
+ Unio ablatus Lea, 1863
+ Unio barrattii Lea, 1852
+ Unio cuspidatus Lea, 1872
+ Unio hastatus Lea, 1874
+ Unio livingstonensis Lea, 1863
+ Unio lugubris Lea, 1838
+ Unio oblatus Simpson, 1900
+ Unio ocmulgeensis Lea, 1861
+ Unio pullatis Lea, 1857
+ Unio pullatus Lea, 1857
36 more...
Elliptio (s.s.) jayensis (Lea, 1838) = Elliptio jayensis + Elliptio ahenea
+ Unio buxtoni B.H. Wright, 1897
+ Unio marshii B.H. Wright, 1888
+ Unio suttoni B.H. Wright, 1897
+ Unio tryoni B.H. Wright, 1888
+ Unio waltoni B.H. Wright, 1888
+ Unio aheneus Lea, 1843
+ Unio oscari B.H. Wright, 1892
+ Unio leonensis Simpson, 1892
Elliptio (s.s.) lanceolata (Lea, 1828) = Elliptio lanceolata + Elliptio angustata + Elliptio folliculata + Elliptio pullata + Elliptio producta
+ Unio sagittiformis Lea, 1852
+ Unio angustatus Lea, 1831
+ Unio attenuatus Lea, 1872
+ Unio duttonianus Lea, 1841
+ Unio emmonsii Lea, 1857
+ Unio exacutus Lea, 1872
+ Unio extensus Lea, 1857
+ Unio folliculatus Lea, 1838
+ Unio arctior var. fisheropsis de Gregorio, 1914
+ Unio hazlehurstianus Lea, 1858
10 more...
Elliptio (s.s.) marsupiobesa Fuller, 1972 = Elliptio marsupiobesa
Elliptio (s.s.) mcmichaeli Clench & Turner, 1956 = Elliptio mcmichaeli
Elliptio (s.s.) nigella (Lea, 1853) = Elliptio nigella + Elliptio purpurella
+ Unio denigratus Lea, 1857
+ Unio purpurellus Lea, 1857
Elliptio (s.s.) shepardiana (Lea, 1834) = Elliptio shepardiana
Elliptio (s.s.) waccamawensis (Lea, 1863) = Elliptio congaraea
Elliptoideus sloatianus (Lea, 1840)
+ Unio aratus Conrad, 1849
+ Unio atromarginatus Lea, 1840
+ Unio plectophorus Conrad, 1849
Fusconaia askewi (Marsh, 1896)
Fusconaia barnesiana (Lea, 1838) = Pleuronaia barnesiana + Pleuronaia estabrookiana
+ Unio lyonii Lea, 1865
+ Unio pudicus Lea, 1860
+ Unio raveneliensis Reeve, 1864
+ Unio meredithii Lea, 1870
+ Unio tellicoensis Lea, 1872
+ Unio tumescens Lea, 1845
+ Unio validus Lea, 1871
+ Unio bigbyensis Lea, 1841
+ Unio crudus Lea, 1871
+ Unio estabrookianus Lea, 1845
4 more...
Fusconaia cor (Conrad, 1834)
+ Fusconaia cor var. analoga Ortmann, 1918
+ Unio andersonensis Lea, 1872
+ Unio obuncus Lea, 1871
+ Unio edgarianus Lea, 1840
Fusconaia cuneolus (Lea, 1840) = Pleurobema oviforme + Fusconaia cuneolus
+ Unio clinchensis Lea, 1867
+ Unio tuscumbiensis Lea, 1871
+ Unio appressus Lea, 1871
+ Unio flavidus Lea, 1872
Fusconaia ebenus (Lea, 1831) = Reginaia ebenus
Fusconaia escambia Clench & Turner, 1956
Fusconaia flava (Rafinesque, 1820) = Fusconaia flava + Fusconaia cerina
+ Unio hebetatus Conrad, 1854
+ Fusconaia flava var. parvula Grier, 1918
+ Unio rubidus Lea, 1861
+ Unio rubiginosus Lea, 1829
Fusconaia lananensis (Frierson, 1900)
Fusconaia masoni (Conrad, 1834)
+ Unio brimleyi S.H. Wright, 1897
+ Unio castus Lea, 1860
+ Unio merus Lea, 1852
+ Unio striatulus Lea, 1857
+ Unio pumilus Lea, 1838
Fusconaia ozarkensis (Call, 1887)
+ Pleurobema argentea pannosa Simpson, 1900
+ Pleurobema brevis subelliptica Simpson, 1900
+ Pleurobema utterbackii Frierson in Utterback, 1915
Fusconaia subrotunda (Lea, 1831)
+ Unio kirtlandianus Lea, 1834
+ Unio lesueurianus Lea, 1840
+ Unio personatus Conrad, 1834
+ Unio pilaris Lea, 1840
+ Unio politus Conrad, 1837
+ Unio brevialis Crouch, 1827
+ Fusconaja [sic] subrotunda leucogona Ortmann, 1913
+ Fusconaia subtrotunda Ortmann, 1925
+ Quadrula andrewsii Marsh, 1902
+ Quadrula beauchampii Marsh, 1902
3 more...
Fusconaia succissa (Lea, 1852) = Pustulosa succissa
+ Unio cacao Lea, 1859
+ Quadrula (sec. Fusconaia) wrightii Simpson, 1914
Fusconaia undata (Barnes, 1823) = Fusconaia flava
+ Fusconaia selecta Wheeler, 1914
+ Unio trigonus Lea, 1831
+ Fusconaia undata wagneri F.C. Baker, 1928
Glebula rotundata (Lamarck, 1819) = Glebula rotundata + Cyrtonaias berlandierii
+ Unio glebulus Say, 1831
+ Unio granadensis ‘Conrad’ of Authors
+ Unio grandensis Conrad, 1855
+ Unio subglobosus Lea, 1834
+ Unio suborbiculata Lamarck, 1819
Gonidea angulata (Lea, 1838)
+ Anodon biangulata Sowerby, 1869
+ Anodon feminalis Gould, 1850
+ Anodonta randalli Trask, 1854
Hemistena lata (Rafinesque, 1820)
+ Unio dehiscens Say, 1829
+ Unio oriens Lea, 1831
+ Odatelia radiata Rafinesque, 1832
Lampsilis altilis (Conrad, 1834) = Hamiota altilis
Lampsilis australis Simpson, 1900 = Hamiota australis
Lampsilis binominatus (Simpson, 1900) = Lampsilis binominata
+ Unio lineatus Lea, 1840
Lampsilis bracteata (Gould, 1855)
Lampsilis cariosa (Say, 1816) = Lampsilis cariosa + Atlanticoncha ochracea
+ Unio crocatus Lea, 1841
+ Unio oratus Conrad, 1849
+ Lampsilis pallida Rafinesque, 1820
Lampsilis claibornensis (Lea, 1838) = Lampsilis straminea
+ Unio contrarius Conrad, 1849
+ Unio obtusus Lea, 1840
+ Unio pallescens Lea, 1845
Lampsilis dolabraeformis (Lea, 1838)
Lampsilis excavatus (Lea, 1857) = Lampsilis ornata
+ Unio ornatus Sowerby, 1866
Lampsilis fasciola Rafinesque, 1820
+ Unio multiradiatus Lea, 1829
Lampsilis haddletoni Athearn, 1964 = Obovaria haddletoni
Lampsilis hydiana (Lea, 1838)
Lampsilis ochracea (Say, 1816) = Atlanticoncha ochracea
Lampsilis orbiculata (Hildreth, 1828) = Obovaria subrotunda
Lampsilis ovata (Say, 1816) = Lampsilis ovata + Lampsilis cardium + Lampsilis fasciola
+ Unio canadensis Lea, 1857
+ Lampsilis cardium Rafinesque, 1820
+ Unio dolabraeformis Sowerby, 1867
+ Unio fasciolus Ferussac, 1835
+ Unio latissimus Sowerby, 1868
+ Unio lenis Conrad, 1838
+ Lampsilis (s.s.) ventricosa var. lurida Simpson, 1914
+ Unio occidens Lea, 1829
+ Lampsilis ventricosa perglobosa F.C. Baker, 1928
+ Unio subovatus Lea, 1831
3 more...
Lampsilis perpasta (Lea, 1861) = Lampsilis straminea
Lampsilis radiata radiata (Gmelin, 1791) = Lampsilis radiata + Lampsilis siliquoidea + Atlanticoncha ochracea
+ Unio conspicuus Lea, 1872
+ Unio lineata Bory de St. Vincent, 1827
+ Unio melinus Conrad, 1838
+ Unio oblongatus Wood, 1828
+ Lampsilis radiata oneidensis F.C. Baker, 1916
+ Unio rosaceus De Kay, 1843
+ Unio tenebrosus Conrad, 1834
+ Unio boydianus Lea, 1840
+ Unio elongata Goodrich, 1859
+ Unio luteola Lamarck, 1819
2 more...
Lampsilis radiata siliquoidea (Barnes, 1823) = Lampsilis siliquoidea + Lampsilis radiata
+ Unio borealis Gray, 1882
+ Unio inflatus Barnes, 1823
+ Unio superiorensis Marsh, 1897
Lampsilis radiata splendida (Lea, 1838) = Lampsilis splendida
+ Unio regularis Sowerby, 1866
Lampsilis straminea (Conrad, 1834)
Lampsilis streckeri Frierson, 1927
Lampsilis subangulata (Lea, 1840) = Hamiota subangulata
+ Unio kirklandianus S.H. Wright, 1897
Lampsilis teres (Rafinesque, 1820) = Lampsilis teres + Lampsilis floridensis
+ Unio anodontoides Lea, 1831
+ Unio floridensis Lea, 1852
+ Lampsilis fallaciosus Smith, 1899
Lasmigona complanata (Barnes, 1823) = Pterosyna complanata
+ Unio katherinae Lea, 1838
Lasmigona compressa (Lea, 1829) = Platynaias compressa
+ Unio compressus var. plebius C.B. Adams, 1842
Lasmigona costata (Rafinesque, 1820)
+ Lasmigona costata var. ereganensis Grier, 1918
+ Lasmigona costata nuda F.C. Baker, 1928
+ Lasmigona costata pepinensis F.C. Baker, 1928
+ Alasmodonta rugosa Barnes, 1823
Lasmigona holstonia (Lea, 1838) = Alasminota holstonia
Lasmigona subviridis (Conrad, 1835) = Platynaias subviridis + Platynaias decorata
+ Unio pygmaeus Lea, 1852
+ Unio charlottensis Lea, 1863
+ Unio decoratus Lea, 1852
+ Unio hyalinus Lea, 1845
+ Unio pertenuis Lea, 1863
+ Unio tappanianus Lea, 1838
+ Unio insolidus Lea, 1872
Lemiox rimosus (Rafinesque, 1831)
+ Unio caelatus Conrad, 1834
Leptodea amphichaena (Frierson, 1898) = Potamilus amphichaenus
Leptodea fragilis (Rafinesque, 1820) = Potamilus fragilis
+ Unio gracilis Barnes, 1823
Leptodea laevissima (Lea, 1829) = Potamilus ohiensis
Leptodea leptodon (Rafinesque, 1820) = Potamilus leptodon
+ Anodon purpurascens Swainson, 1823
+ Symphynota tenuissima Lea, 1829
+ Unio velum Say, 1829
Lexingtonia dolabelloides (Lea, 1840) = Pleuronaia dolabelloides
+ Unio mooresianus Lea, 1857
+ Unio subglobatus Lea, 1871
+ Unio thorntonii Lea, 1857
+ Unio circumactus Lea, 1871
+ Pleurobema conradi Vanatta, 1915
+ Unio maculatus Conrad, 1834
Lexingtonia subplana (Conrad, 1834) = Fusconaia masoni
Ligumia nasuta (Say, 1817) = Sagittunio nasutus + Sagittunio subrostratus
+ Obliquaria (Ellipsaria) attenuata Rafinesque, 1820
+ Unio nashvillianus Lea, 1834
+ Unio rostrata Valenciennes, 1827
+ Unio vaughanianus Sowerby, 1868
Ligumia recta (Lamarck, 1819)
+ Unio (Eurynia) latissima Rafinesque, 1820
+ Unio sageri Conrad, 1836
Margaritifera falcata (Gould, 1850)
Margaritifera hembeli (Conrad, 1838)
Margaritifera margaritifera (Linnaeus, 1758)
Medionidus acutissimus (Lea, 1831)
+ Unio rubellinus Lea, 1857
Medionidus conradicus (Lea, 1834)
Medionidus mcglameriae van der Schalie, 1939 = Potamilus fragilis
Medionidus parvulus (Lea, 1860)
Medionidus penicillatus (Lea, 1857) = Medionidus penicillatus + Medionidus simpsonianus + Medionidus walkeri
+ Unio kingii B.H. Wright, 1900
+ Medionidus simpsonianus Walker, 1905
+ Unio walkeri B.H. Wright, 1897
Megalonaias gigantea (Barnes, 1823) = Megalonaias nervosa + Amblema plicata
+ Unio heros Say, 1829
+ Unio multiplicatus Lea, 1831
+ Unio undulatus Barnes, 1823
+ Unio boykinianus Lea, 1840
Obliquaria atroviolacea Rafinesque, 1820 = Eurynia dilatata
Obliquaria cliffordiana Rafinesque, 1820
Obliquaria interrupta Rafinesque, 1820 = Ptychobranchus fasciolaris
Obliquaria nodulata Rafinesque, 1820 = Pustulosa nodulata
+ Unio pustulatus Lea, 1831
Obliquaria obliquata Rafinesque, 1820 = Epioblasma obliquata
Obliquaria pusilla Rafinesque, 1820 = Reginaia ebenus
Obliquaria quadrula Rafinesque, 1820 = Quadrula quadrula + Quadrula fragosa
+ Unio asperrimus Lea, 1831
+ Quadrula (Quadrula) quadrula bullocki F.C. Baker, 1928
+ Quadrula quadrula contraryensis Utterback, 1915
+ Unio lacrymosus Lea, 1828
+ Unio rugosus Barnes, 1823
+ Unio apiculatus Say, 1829
+ Unio asper Lea, 1831
+ Unio blandianus Lea, 1857
+ Unio forsheyi Lea, 1859
+ Unio fragosus Conrad, 1835
3 more...
Obliquaria reflexa Rafinesque, 1820
+ Unio cornutus Barnes, 1823
Obliquaria retusa Rafinesque, 1820 = Pustulosa pustulosa
Obliquaria rubra Rafinesque, 1820 = Pleurobema sintoxia
Obliquaria sintoxia Rafinesque, 1820 = Pleurobema sintoxia
Obliquaria sinuata Rafinesque, 1820 = Eurynia dilatata
Obliquaria triangularis Rafinesque, 1820 = Pleurobema sintoxia
Obovaria jacksoniana (Frierson, 1912) = Obovaria arkansasensis
Obovaria obovalis Rafinesque, 1820 = Reginaia ebenus
Obovaria olivaria (Rafinesque, 1820)
+ Unio ellipsis Lea, 1828
Obovaria pachostea Rafinesque, 1820 = Reginaia ebenus
Obovaria retusa (Lamarck, 1819)
+ Obovaria torsa Rafinesque, 1820
Obovaria rotulata (Wright, B.H., 1899) = Reginaia rotulata
Obovaria subrotunda (Rafinesque, 1820)
+ Unio circulus Lea, 1829
+ Obovaria striata Rafinesque, 1820
+ Unio depygis Conrad, 1866
Obovaria unicolor (Lea, 1845)
Plectomerus dombeyanus (Valenciennes, 1833)
+ Unio interruptus Say, 1831
+ Unio trapezoides Lea, 1831
+ Bariosta ponderosus Rafinesque, 1831
Plethobasus cooperianus (Lea, 1834)
Plethobasus cyphyus (Rafinesque, 1820) = Plethobasus cyphyus + Plethobasus cicatricosus
+ Unio aesopus Green, 1827
+ Unio cicatricosus Say, 1829
+ Unio varicosus Lea, 1831
Pleurobema aldrichianum Goodrich, 1931 = Pleurobema hanleyianum
Pleurobema altum (Conrad, 1854)
Pleurobema avellanum Simpson, 1900 = Pleurobema rubellum
Pleurobema chattanogaense [sic] (Lea, 1858) = Pleurobema decisum
Pleurobema clava (Lamarck, 1819)
+ Unio (Aximedia) elliptica Rafinesque, 1820
+ Pleurobema cuneata Rafinesque, 1820
+ Pleurobema mytiloides Rafinesque, 1820
+ Unio patulus Lea, 1829
+ Obliquaria (Scalenaria) scalenia Rafinesque, 1820
Pleurobema collina (Conrad, 1837) = Parvaspina collina
Pleurobema cordatum (Rafinesque, 1820) = Pleurobema sintoxia + Pleurobema plenum + Pleurobema cordatum + Fusconaia flava
+ Unio catillus Conrad, 1836
+ Unio plenus Lea, 1840
+ Obliquaria (Sintoxia) lateralis Rafinesque, 1820
+ Unio solidus Lea, 1838
Pleurobema curtum (Lea, 1859)
Pleurobema decisum (Lea, 1831)
Pleurobema flavidulum (Lea, 1861) = Pleurobema perovatum
Pleurobema furvum (Conrad, 1834) = Pleurobema rubellum
Pleurobema georgianum (Lea, 1841)
+ Unio favosus Lea, 1857
Pleurobema hagleri (Frierson, 1900) = Pleurobema rubellum
Pleurobema hanleyanum [sic] (Lea, 1852) = Pleurobema hanleyianum
Pleurobema irrasum (Lea, 1861) = Pleurobema georgianum
Pleurobema johannis (Lea, 1859) = Pleurobema perovatum
Pleurobema marshalli Frierson, 1927
Pleurobema meredithii (Lea, 1858) = Pleuronaia barnesiana
Pleurobema murrayense (Lea, 1868) = Pleurobema stabile
Pleurobema nucleopse (Conrad, 1849) = Pleurobema georgianum
Pleurobema nux (Lea, 1852) = Pleurobema perovatum
Pleurobema oviforme (Conrad, 1834)
+ Unio lawii Lea, 1871
+ Unio mundus Lea, 1857
+ Unio holstonensis Lea, 1840
+ Unio argenteus Lea, 1841
+ Unio bellulus Lea, 1872
Pleurobema perovatum (Conrad, 1834)
Pleurobema pyriforme (Lea, 1857)
+ Unio amabilis Lea, 1865
+ Unio bulbosus Lea, 1857
+ Unio harperi B.H. Wright, 1899
+ Unio modicus Lea, 1857
+ Unio reclusus B.H. Wright, 1898
+ Pleurobema simpsoni Vanatta, 1915
+ Unio striatus Lea, 1840
Pleurobema rubellum (Conrad, 1834)
Pleurobema showalteri (Lea, 1860) = Pleurobema hartmanianum
Pleurobema simulans (Lea, 1871) = Pleurobema perovatum
Pleurobema stabile (Lea, 1861)
Pleurobema strodeanus (Wright, B.H., 1898) = Pleurobema strodeanum
+ Pleurobema patsaligensis Simpson, 1900
Pleurobema tombigbeanum Frierson, 1908 = Pleurobema taitianum
Pleurobema troschelianum (Lea, 1852) = Pleurobema georgianum
Pleurobema verum (Lea, 1861)
Popenaias buckleyi (Lea, 1841) = Elliptio jayensis
+ Unio cunninghami B.H. Wright, 1883
+ Unio dallii B.H. Wright, 1888
+ Unio dorei B.H. Wright, 1888
+ Unio ferrissii Marsh, 1891
+ Unio hinkleyi B.H. Wright, 1888
+ Unio orcuttii S.H. Wright, 1888
+ Unio pinei B.H. Wright, 1897
+ Unio subluridus Simpson, 1892
+ Unio tenuisculus Frierson, 1911
+ Unio caloosaensis Dall, 1898
3 more...
Popenaias popei (Lea, 1857) = Popenaias popeii
Proptera alata (Say, 1816) = Potamilus alatus
+ Metaptera megaptera Rafinesque, 1820
Proptera capax (Green, 1832) = Potamilus capax
Proptera purpurata (Lamarck, 1819) = Potamilus purpuratus
Ptychobranchus fasciolare (Rafinesque, 1820) = Ptychobranchus fasciolaris
+ Unio phaseolus Hildreth, 1828
Ptychobranchus greeni (Conrad, 1834) = Ptychobranchus greenii + Ptychobranchus foremanianus
+ Unio trinacrus Lea, 1861
+ Unio velatus Conrad, 1854
+ Unio woodwardius Lea, 1857
+ Unio woodwardianus ‘Lea’ of Authors
+ Unio flavescens Lea, 1845
+ Unio foremanianus Lea, 1842
+ Unio simplex Lea, 1845
Ptychobranchus jonesi (van der Schalie, 1934)
Ptychobranchus occidentalis (Conrad, 1836)
Ptychobranchus subtentum (Say, 1825) = Ptychobranchus subtentus
Quadrula archeri Frierson, 1905 = Pustulosa kieneriana
Quadrula aurea (Lea, 1859) = Pustulosa pustulosa
Quadrula cylindrica (Say, 1817) = Theliderma cylindrica
Quadrula intermedia (Conrad, 1836) = Theliderma intermedia + Theliderma metanevra
+ Unio tuberosus Lea, 1840
Quadrula metanevra (Rafinesque, 1820) = Theliderma metanevra
+ Unio nodosus Barnes, 1823
+ Unio wardii Lea, 1861
Quadrula nodulata (Rafinesque, 1820) = Pustulosa nodulata
+ Unio pustulatus Lea, 1831
Quadrula pustulosa (Lea, 1831) = Pustulosa pustulosa + Pustulosa kieneriana
+ Obliquaria (Quadrula) bullata Rafinesque, 1820
+ Unio pernodosus Lea, 1845
+ Unio prasinus Conrad, 1834
+ Unio vallatus Lea, 1868
+ Unio asperatus Lea, 1861
+ Unio cahabensis Lea, 1871
+ Unio nodiferus Conrad, 1841
+ Unio refulgens Lea, 1868
+ Unio sphaericus Lea, 1868
Quadrula quadrula (Rafinesque, 1820) = Quadrula quadrula + Quadrula fragosa
+ Unio asperrimus Lea, 1831
+ Quadrula (Quadrula) quadrula bullocki F.C. Baker, 1928
+ Quadrula quadrula contraryensis Utterback, 1915
+ Unio lacrymosus Lea, 1828
+ Unio rugosus Barnes, 1823
+ Unio apiculatus Say, 1829
+ Unio asper Lea, 1831
+ Unio blandianus Lea, 1857
+ Unio forsheyi Lea, 1859
+ Unio fragosus Conrad, 1835
3 more...
Quadrula stapes (Lea, 1831) = Theliderma stapes
Quincuncina burkei Walker in Ortmann & Walker, 1922 = Fusconaia burkei
Quincuncina guadalupensis Wurtz, 1950 = Fusconaia mitchelli
Quincuncina infucata (Conrad, 1834) = Pustulosa infucata + Pustulosa kleiniana
+ Unio kleinianus Lea, 1852
+ Unio securiformis Conrad, 1849
Simpsoniconcha ambigua (Say, 1825) = Simpsonaias ambigua
Strophitus subvexa (Conrad, 1834) = Pseudodontoideus subvexus + Pseudodontoideus connasaugaensis
+ Margaritana alabamensis Lea, 1861
+ Margaritana columbensis Lea, 1867
+ Margaritana connasaugaensis Lea, 1858
+ Margaritana gesnerii Lea, 1858
+ Margaritana spillmanii Lea, 1858
+ Margaritana tombigbeensis Lea, 1862
+ Margaritana tombecbeensis Lea, 1858
Strophitus undulatus (Say, 1817)
+ Anodon areolatus Swainson, 1829
+ Anodonta arkansensis Lea, 1852
+ Alasmodonta edentula Say, 1829
+ Strophitus rugosus lacustris F.C. Baker, 1928
+ Strophitus undulatus ovatus Frierson, 1927
+ Anodon papyracea J.G. Anthony, 1865
+ Anodonta pavonia Lea, 1838
+ Anodonta pensylvanica Lamarck, 1819
+ Strophitus rugosus pepinensis F.C. Baker, 1928
+ Alasmodon rhombica J.G. Anthony, 1865
10 more...
Tritogonia verrucosa (Rafinesque, 1820) = Quadrula verrucosa
Truncilla donaciformis (Lea, 1828)
+ Unio zigzag Lea, 1829
Truncilla macrodon (Lea, 1859)
Truncilla truncata Rafinesque, 1820
+ Unio elegans Lea, 1831
Uniomerus tetralasmus (Say, 1830) = Uniomerus tetralasmus + Uniomerus carolinianus + Elliptio fumata + Uniomerus columbensis + Uniomerus declivis + Elliptio jayensis
+ Unio squalidus Lea, 1863
+ Unio plantii Lea, 1857
+ Unio bisselianus Lea, 1867
+ Unio blandingianus Lea, 1834
+ Unio camptodon Say, 1832
+ Unio cicur Lea, 1861
+ Unio columbensis Lea, 1857
+ Unio declivis Say, 1831
+ Unio electrinus Reeve, 1865
+ Unio excultus Conrad, 1838
18 more...
Villosa amygdala (Lea, 1843) = Villosa amygdalum
+ Unio lepidus Gould, 1856
+ Unio papyraceus Gould, 1845
+ Unio singleyanus Marsh, 1891
+ Unio trossulus Lea, 1843
+ Unio trosculus Lea, 1843
+ Unio vesicularis Lea, 1872
Villosa brevicula (Call, 1887) = Lampsilis reeveiana
Villosa choctawensis Athearn, 1964 = Obovaria choctawensis
Villosa constricta (Conrad, 1838) = Venustaconcha constricta
+ Unio genthii Lea, 1857
Villosa delumbis (Conrad, 1834) = Villosa delumbis + Leaunio lienosus + Sagittunio vaughanianus
+ Unio concavus Lea, 1852
+ Unio contiguus Lea, 1861
+ Unio proximus Lea, 1852
+ Unio vaughanianus Lea, 1838
+ Unio genuinus Lea, 1868
+ Unio ogeecheensis Conrad, 1849
+ Unio tenerus Ravenel, 1834
Villosa fabalis (Lea, 1831) = Paetulunio fabalis
Villosa iris (Lea, 1829) = Cambarunio iris
Villosa lienosa (Conrad, 1834) = Leaunio lienosus + Leaunio umbrans
+ Unio apicinus Lea, 1857
+ Unio caliginosus Lea, 1845
+ Unio concestator Lea, 1857
+ Unio fallax Lea, 1857
+ Unio fontanus Conrad, 1866
+ Unio gouldii Lea, 1845
+ Unio intercedens Lea, 1857
+ Unio nigerrimus Lea, 1852
+ Unio porphyreus Lea, 1861
+ Unio saxeus Conrad, 1838
3 more...
Villosa nebulosa (Conrad, 1834) = Cambarunio nebulosus + Cambarunio simus + Cambarunio iris + Cambarunio jonesii
+ Unio notatus Lea, 1838
+ Unio obscurus Lea, 1838
+ Unio planicostatus Lea, 1860
+ Unio scitulus Lea, 1860
+ Unio simus Lea, 1838
+ Unio amoenus Lea, 1840
+ Margaron (Unio) cumberlandianus Lea, 1852
+ Unio difficilis Lea, 1868
+ Unio jonesii Lea, 1859
+ Unio plancus Lea, 1860
2 more...
Villosa ortmanni (Walker, 1925) = Leaunio ortmanni
Villosa taeniata (Conrad, 1834) = Cambarunio taeniatus
+ Unio pictus Lea, 1834
+ Unio punctatus Lea, 1865
Villosa trabalis (Conrad, 1834) = Venustaconcha trabalis
+ Unio perpurpureus Lea, 1861
Villosa vanuxemensis umbrans (Lea, 1857) = Leaunio umbrans
+ Unio tenebricus Lea, 1857
+ Unio fabaceus Lea, 1861
+ Unio proprius Lea, 1865
Villosa vanuxemensis vanuxemensis (Lea, 1838) = Leaunio vanuxemensis
Villosa vibex (Conrad, 1834) = Villosa vibex + Leaunio lienosus
+ Unio averellii B.H. Wright, 1888
+ Unio dispar Lea, 1860
+ Unio exiguus Lea, 1840
+ Unio gracilior Lea, 1857
+ Unio modioliformis Lea, 1834
+ Unio nigrinus Lea, 1852
+ Unio obfuscus Lea, 1857
+ Unio prevostianus Lea, 1852
+ Unio rutilans Lea, 1857
+ Unio stagnalis Conrad, 1849
2 more...
Villosa villosa (Wright, B.H., 1898) = Villosa villosa + Villosa amygdalum
+ Lampsilis (Villosa) wrightiana Frierson, 1927
